百川股份：关于控股股东部分股份解除质押的公告

Group 1 - The core point of the article is that Baichuan Co., Ltd. announced the release of a portion of shares pledged by its controlling shareholder Zheng Tiejiang, totaling 8.2 million shares [2] Group 2 - The announcement was made on the evening of September 8 [2] - The release of the pledged shares indicates a potential improvement in the financial position of the controlling shareholder [2]